เหตุผลที่วาล์วต้องอาศัยหัวขับวาล์วในการควบคุมมีดังนี้ Removing the pneumatic pressure brings about the piston to maneuver downward because of the pressure on the spring. This movement is generally known as Air-to-Retract. The ball valve plus the actuator are connectec by way of an interface. This interface comprises a flange to bolt the ball valve Together https://gregoryxujym.theobloggers.com/19967822/the-best-side-of-pressure-gauge